<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532016000401225</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2016.10.014</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Crinoides (Echinodermata: Crinoidea) del Pensilvánico de sierra Las Mesteñas, NE de Sonora, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Crinoids (Echinodermata: Crinoidea) of the Pennsylvanian from Sierra Las Mesteñas, NE of Sonora, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Olea]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buitrón-Sánchez]]></surname>
<given-names><![CDATA[Blanca E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palafox-Reyes]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piña-Flores]]></surname>
<given-names><![CDATA[Samael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Posgrado en Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología Departamento de Paleontología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Sonora Departamento de Geología ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Facultad de Ingeniería Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>87</volume>
<numero>4</numero>
<fpage>1225</fpage>
<lpage>1234</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532016000401225&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532016000401225&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532016000401225&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se describen por primera vez 8 géneros y 9 especies de crinoides (Pentagonomischus plebeius, Axilinucrinus angustus, Cyclocaudex jucundus, Floricyclus angustimargo, Floricyclus granulosus, Cyclocrista cheneyi, Preptopremnum rugosum, Cycloscapus laevis y Cyclocaudiculus regularis), que proceden de afloramientos del Pensilvánico de sierra Las Mesteñas ubicados al noreste del estado de Sonora, México. Asociados a los crinoides, se identificaron briozoarios fenestélidos, braquiópodos de los géneros Anthracospirifer, Linoproductus, Composita, Cleiothyridina y Antiquatonia; corales solitarios (Lophophyllidium) y corales coloniales (Syringopora); esponjas coralinas (Chaetetes); foraminíferos fusulínidos (Fusulina, Triticites) y algas filoides (Komia, Eugonophyllum, Kamaena y Zidella). Esta biota se relacionó con otras del Pensilvánico de localidades de Sonora (Cerros El Tule y Sierra Agua Verde) y de Estados Unidos de América (Texas y Colorado). Asimismo, se infiere que la comunidad conformada por algas filoides incrustantes, fusulínidos, corales, briozoarios, braquiópodos y crinoides se desarrolló en un ambiente de plataforma carbonatada, de mares someros tropicales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Eight genera and 9 species of crinoids are described for the first time (Pentagonomischus plebeius, Axilinucrinus angustus, Cyclocaudex jucundus, Floricyclus angustimargo, Floricyclus granulosus, Cyclocrista cheneyi, Preptopremnum rugosum, Cycloscapus laevis, and Cyclocaudiculus regularis); they proceed from outcrops of the Pennsylvanian of Sierra Las Mesteñas in northeastern Sonora, Mexico. Associated to the crinoids, fenestellid bryozoans; brachiopods of the genera Anthracospirifer, Linoproductus, Composita, Cleiothyridina, and Antiquatonia; solitary (Lophophyllidium) and colonial (Syringopora) corals; coralline sponges (Chaetetes); fusulinid foraminifera (Fusulina, Triticites); and phylloid algae (Komia, Eugonophyllum, Kamaena y Zidella) were identified. This biota is related with those from the Carboniferous of Sonora (Cerros El Tule and Sierra Agua Verde) and from the United States of America (Texas and Colorado). The community made up by encrusting phylloid algae, fusulinids, corals, bryozoans, brachiopods and crinoids developed in a carbonate platform, shallow tropical-water environment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Caliza Naco]]></kwd>
<kwd lng="es"><![CDATA[Encrinita]]></kwd>
<kwd lng="es"><![CDATA[Plataforma carbonatada]]></kwd>
<kwd lng="en"><![CDATA[Naco limestone]]></kwd>
<kwd lng="en"><![CDATA[Encrinite]]></kwd>
<kwd lng="en"><![CDATA[Carbonate platform]]></kwd>
</kwd-group>
</article-meta>
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